Key result
EMC virus infection reaches up to ~56% annual antibody positivity among pigs in Chiba prefecture.
Population
1,240 pigs' sera collected from 1975 to 1992 on 240 farms in Chiba prefecture, Japan
Design
Cross-sectional
Authors
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Confirms long-standing EMCV endemicity in Chiba swine since 1975; leaves open need for updated serosurveys and prospective risk studies.
Observational (n=1,240)
Yes
Encephalomyocarditis virus infection has been prevalent among pigs in Chiba prefecture, Japan, since at least 1975.
Kudo et al. (1995) conducted an observational in Encephalomyocarditis (EMC) virus infection (n=1,240). Encephalomyocarditis (EMC) virus exposure was evaluated on Neutralizing antibodies against the EMC virus. Encephalomyocarditis virus infection was prevalent among pigs in Chiba prefecture, with annual antibody positive rates ranging from 16.7% to 56.3% between 1975 and 1992.
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